When a guy is about to hook up with a girl but is thwarted by a locked door that prevents him from entering his apartment/house and there is no one else around to unlock it.
Guy 1: "Man I was about to hook up with this hot chick last night, but I forgot my key and couldn't get into my apartment."
Guy 2: "Dude you totally got lock-blocked!"
by Petey12 September 27, 2013
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When one is unable to proceed with a bootycall due to the restrictions imposed during a quarantine lockdown.
Man 1: Charles, did you manage to tap that fine filly last weekend?
Man 2: Regrettably I did not, Sebastian. I have been lock blocked by those dastardly Covid restrictions.
by Gamers of Guernsey January 31, 2021
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Using the Armor Lock in Halo: Reach to kill an opponent. This phrase is most appropriately said after the death of said opponent.
After he deployed the armor lock in Halo and killed me last night, he was screaming "Lock Block!" through his microphone...
by Trogador May 15, 2010
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the phenomena occuring when a female bends over and reveals what would normally be clevage, which is instead blocked by her locks of hair falling down over her shoulder
Dude look at Amy try to get that notebook out of her backpack

Oh Swee- damnit man im getting lock-blocked
by eggz09 April 20, 2011
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when someone thwarts your plan to dye hair.
"dude! i wanted to dye hair yesterday and you wanted to go clubbing! you totally lock-blocked me!"
by raychelle July 11, 2008
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